发明名称 Smoke detector changing device
摘要 The invention relates to a novel device for easy maintenance of smoke detectors, comprising a three dimensional "receptacle" that attaches to a pole and fits around a smoke detector housing to easily remove it from its mounting plate.
申请公布号 US7204534(B2) 申请公布日期 2007.04.17
申请号 US20030738125 申请日期 2003.12.16
申请人 KELLY ROBERT 发明人 KELLY ROBERT
分类号 A47F13/06;G08B29/14 主分类号 A47F13/06
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